CONTROL GP- 1167843 - Caterpillar

Specifications
Table 1
Backlash and End Play Values    
Backlash between camshaft gear and the idler gear    
0.05 to 0.15 mm (0.0020 to 0.0059 inch)    
Backlash between oil pump idler gear and the crankshaft gear    
0.025 to 0.160 mm (0.00098 to 0.00630 inch)    
Backlash between idler gear and the crankshaft gear    
0.05 to 0.15 mm (0.0020 to 0.0059 inch)    
Backlash between the camshaft gear and the idler gear    
0.05 to 0.15 mm (0.0020 to 0.0059 inch)    
Backlash between fuel injection pump gear and the idler gear    
0.05 to 0.15 mm (0.0020 to 0.0059 inch)    
Backlash between the water pump gear (not shown) and the fuel injection pump gear    
0.05 to 0.15 mm (0.0020 to 0.0059 inch)    
Backlash between the power take-off drive (if equipped) and the idler gear    
0.05 to 0.250 mm (0.0020 to 0.0098 inch)    
End play of the idler gear    
0.05 to 0.15 mm (0.00197 to 0.00591 inch)    Test Procedure
Illustration 1 g01907773
(1) Camshaft gear (2) Idler gear (3) Fuel injection pump gearNote: If one or more of the gears need to be removed for repair, refer to Disassembly and Assembly, "Gear Group (Front)" in order to properly remove the gears. Refer to the Disassembly and Assembly, "Gear Group (Front)" in order to properly install the gears.
Inspect the gears for wear or for damage. If the gears are worn or damaged, use new parts for replacement.
Measure the backlash between the camshaft gear (1) and the idler gear (2). Refer to table 1 for the correct value.
Measure the backlash between the idler gear (2) and the crankshaft gear (4). Refer to table 1 for the correct value.
Measure the backlash between the fuel injection pump gear (3) and the idler gear (2). Refer to table 1 for the correct value.
Measure the end play on idler gear (2). Refer to Disassembly and Assembly, "Idler Gear" for the correct procedure. Refer to table 1 for the correct value.